\documentclass[a4paper,10pt]{article}
\usepackage[utf8x]{inputenc}

%opening
\title{}
\author{}

\begin{document}


\section*{}
\begin{table}
\begin{tabular}{|l|l|c|r|}
\hline
Nom & Prenom & Age & NUM Etudiant\\
\hline
12 & 150 & 180 &{\bf 50}\\
\hline
23 & 345 &{\bf 22} & {\bf 181} \\
\hline
123 & 433 & {\bf 21} & {\bf 182}\\
\hline
131 & 43 & {\bf 231} & {\bf 121}\\
\hline
\end{tabular}
\caption{ TABLEAU D ETUDIANT}
\end{table}
\end{document}

